38240071 has 2 divisors, whose sum is σ = 38240072. Its totient is φ = 38240070.

The previous prime is 38240057. The next prime is 38240077. The reversal of 38240071 is 17004283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38240071 - 2⁹ = 38239559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38240077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19120035 + 19120036.

It is an arithmetic number, because the mean of its divisors is an integer number (19120036).

Almost surely, 2^38240071 is an apocalyptic number.

38240071 is a deficient number, since it is larger than the sum of its proper divisors (1).

38240071 is an equidigital number, since it uses as much as digits as its factorization.

38240071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 38240071 is about 6183.8556742537. The cubic root of 38240071 is about 336.9040486193.

The spelling of 38240071 in words is "thirty-eight million, two hundred forty thousand, seventy-one".